Zhen-hua MEI. String Like Elementary Particles Based on Photon. Recent Trends in Chemical and Material Sciences Vol. 7, [S. l.], p. 59–63, 2022. DOI: 10.9734/bpi/rtcams/v7/3465E. Disponível em: https://stm.bookpi.org/RTCAMS-V7/article/view/6098. Acesso em: 4 jun. 2026.